Apple iPhone 5c and iPhone 5s no-contract plans : Just in time for the holidays, leading US no-contract cell phone service providers Straight Talk Wireless and NET10 Wireless announced they will offer iPhone 5s, the most forward-thinking smartphone in the world, and iPhone 5c, the most colorful iPhone yet, to customers beginning on December 13, 2013. Exclusively at Walmart, consumers will have the opportunity to purchase iPhone 5s and iPhone 5c on No-Contract 30-day Plans with Unlimited talk, text and data from Straight Talk Wireless and NET10 Wireless, which offer significant savings over traditional contract plans.